The computer suddenly goes black when running, and sometimes it is normal irregular after a few se

Check the power supply first, and then check if there is a problem with the signal cable of the CRT.

If there is no problem, it is a problem inside the display, this is the case with one of my classmates, Tsinghua Tongfang's CRT, bought in 2002, often black screen, sometimes black, it comes back in an instant, sometimes it is black for a long time. If this is the case, send it for repair immediately. The final result of that buddy's monitor was that it suddenly smelled mush, probably burned, and it was still idle.

If you want to change, the sooner the better, CRT explosion is not a joke.

The monitor is older than me! Changed.

The best monitor and graphics card are changed together!!

It's a problem with the display! Although the lifespan of the monitor is 10-15 years, it doesn't mean that you won't have any problems after 10-16 years! You can find a computer host and try it out with a monitor!

If you think it's a problem with the display, you can find someone to repair the display, and it can be repaired for about twenty or thirty yuan!

Try the replacement method by borrowing a friend's monitor first. If the problem is solved. It's that there's something wrong with your monitor.

Flat right-angle cathode ray display 20 inches, the second-hand price is 50-80 yuan. Let's get another one.

Please confirm that the motherboard and BIOS driver are installed correctly, if there is no problem with the installation, there should be no such problems, and the display driver, please confirm it, please refer to the above!

1. Either your power cord is loose there, or when your screen is black, try to shake the power cord behind it, if it is restored, it means that you have a problem with the power cord, and you need to change the monitor.

2. Or it is a problem with the graphics card, see if the place where the graphics card is inserted is well inserted or there are virtual solder joints.

The life is said to be 15 years, but if the usage rate is high (for example: the frequency of turning on and off is high), it can also reduce the life, it may be that the display is aging, you check the interfaces according to the above, if there is nothing wrong with the interface, the display is not good Also, is the place where you put the computer damp? This will also speed up the aging of the display, and it is also prone to many problems!

Let's change the monitor, the display life is 10 to 15 years is the theoretical time.

You can check if the VGA connector of the monitor is loose. If it is not loose, check if the power button of the monitor is stuck. The last question, and the most complicated, is to take apart your monitor's VGA connector and see if there is a case of false soldering of the data cable inside.

The last case is for older monitors, and I guess yours is the same.

1.Use a hardware master to test it, mainly look at the temperature of the graphics card, the temperature is too high, and the display may not be normal, if there is a problem, clean the fan or replace the fan.

2.Open the control panel - open the nvidia control panel - set the graphics card to default settings - reboot and see.

3.If you have updated the graphics card driver during this time, it may be due to the graphics card driver. Right-click on My Computer - Properties - Hardware - Device Manager - Return to Drivers.

3.If it still doesn't work, your computer is poisoned

A black screen is a common phenomenon, especially on older computers or builds. There are many reasons for the failure of a computer's black screen, such as a damaged monitor, a damaged motherboard, a damaged graphics card, a bad contact of the graphics card, a damaged power supply, a damaged CPU, and a high temperature of components.

There are several common causes of failure, and the owner of the building himself refers to:

1) Power Failure: Black screen failures caused by damage to the host power supply or poor quality of the host power supply are common. For example, when some new devices are added, the display has a black screen failure.

2) Failure caused by accessories Poor quality or damage to computer accessories is the main cause of the failure of the black screen of the monitor. For example, problems with the motherboard (and the CMOS of the motherboard), memory, graphics card, etc., may definitely cause a black screen failure. If the fault is orange, the replacement method is the fastest solution to replace the graphics card, memory, and even the motherboard and CPU.

3) The quality of the connection between the accessories: The incorrect or loose connection between the memory, graphics card, etc. and the motherboard is the main cause of the black screen failure. Moreover, if there is a problem with the connection between the graphics card and the monitor, this kind of failure may also be caused, until the AT power supply is not plugged in correctly, and even if the hard disk or optical drive data cable is reversed, it may also cause the boot black screen failure.

4) Overclocking causes failure Overclocking or overclocking parts that are not suitable for overclocking will not only cause black screen failures, but also cause damage to accessories in serious cases.

5) The failure of the display itself The external power supply is insufficient, which causes some old displays or some displays with high power consumption to fail to start normally, which is one of the causes of the black screen failure caused by the failure of the display itself. Or the external power supply voltage is unstable, too high or too low may cause the display to not work.

6) Poor contact of the graphics card It is recommended to remove it, clean it and reinstall it.

7) Trojan caused by Trojan tampering with the boot items of the computer system, indirectly starting other malicious programs to change the homepage, pop ads and steal numbers, antivirus software only kills the Trojan horse without repairing the computer system configuration tampered with by the Trojan, resulting in a black screen every time you boot up. Through the registry, restore the shell value of Winlogon to; Or with the help of security software, you can fix system failures while thoroughly cleaning up the "black screen" Trojan.

The specific reason is still to be carefully checked by LZ, I hope it can help you!

Is it a graphics card or driver issue? Reload the drive and take a look.

It is normal for the computer to flash black during the process of installing the graphics card driver and switching between the dual graphics card, and your computer is not a dual graphics card and you have one less driver.

It is estimated that the computer system is not installed well! This new computer can be reinstalled by the store!

If you are using 360, it is recommended to change your browser, or check whether it is a graphics card driver or DX.

There may be a problem with the graphics card driver.,You can test it in the next driver life 5.,Is it a dual graphics card?,If so, it's possible that it can't be switched automatically.。

Because you used 360 Rogue Guard.

By the way, how did you get WP7 on your computer? Is it easy to use?

Method 1Try waking up the screen while holding down Windows +Ctrl+Shift+B. If Windows responds, the computer will beep and the screen will flash or dim when you try to refresh the screen.

If that doesn't work for you, try solution 2. Method 2Reinstall the graphics driver to boot the computer in safe mode.

Go to Settings -> Update & Security -> Restore ->Advanced Boot -> Reboot Now. Your computer will automatically boot up and enter another boot settings screen, press F4 to reboot into safe mode. You can also press F5 to boot the network into safe mode.

Restart your computer. Method 3Removing or updating third-party anti-virus software Using third-party anti-virus software may result in a black screen on your computer.

Removing these antiviruses doesn't leave your computer at risk, and in addition to these third-party antiviruses, Windows itself can also provide protection. Note: The above solutions may lead to file loss, it is recommended that you use a free backup and restore software to back up all your files in case of data loss.

What should I do if my computer at home suddenly goes black? Is it hardware or software? Find out the reason with one click.

A black screen is a common problem in most computers, especially in older computers or assembled computers. There are many reasons for the failure of a computer black screen, such as a damaged monitor, a damaged motherboard, a damaged graphics card, a poor contact of the graphics card, a damaged power supply, a damaged CPU, etc.

1) The monitor is powered off, or the monitor data cable is in poor contact. In addition, the computer has been used for a long time, and the power cord of the monitor is easy to oxidize and break;

2) There is no power supply to the motherboard;

3) Poor contact or damage to the graphics card;

4) Poor CPU contact;

5) Poor contact of memory modules;

6) The machine is infected with CIH virus, and the BIOS is refreshed destructively;

7) Check the plugging and unplugging, if necessary, you can use a rubber to remove the oxide film on the gold finger;

8) If the floppy drive has a floppy disk, many times it will cause the computer to start or restart, and the computer will have a black screen and cannot enter the system. To avoid such situations, it is also possible to cancel the floppy disk boot item in the BIOS.